GB2186452B - A bias current circuit,and cascade and ring circuits incorporating same - Google Patents

A bias current circuit,and cascade and ring circuits incorporating same

Info

Publication number
GB2186452B
GB2186452B GB8603111A GB8603111A GB2186452B GB 2186452 B GB2186452 B GB 2186452B GB 8603111 A GB8603111 A GB 8603111A GB 8603111 A GB8603111 A GB 8603111A GB 2186452 B GB2186452 B GB 2186452B
Authority
GB
United Kingdom
Prior art keywords
cascade
bias current
current circuit
incorporating same
circuits incorporating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8603111A
Other versions
GB8603111D0 (en
GB2186452A (en
Inventor
Simon Atkinson
Philip Albert Kenneth Moon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8603111A priority Critical patent/GB2186452B/en
Publication of GB8603111D0 publication Critical patent/GB8603111D0/en
Priority to US07/010,930 priority patent/US4833344A/en
Publication of GB2186452A publication Critical patent/GB2186452A/en
Application granted granted Critical
Publication of GB2186452B publication Critical patent/GB2186452B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Electronic Switches (AREA)
GB8603111A 1986-02-07 1986-02-07 A bias current circuit,and cascade and ring circuits incorporating same Expired GB2186452B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8603111A GB2186452B (en) 1986-02-07 1986-02-07 A bias current circuit,and cascade and ring circuits incorporating same
US07/010,930 US4833344A (en) 1986-02-07 1987-02-05 Low voltage bias circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8603111A GB2186452B (en) 1986-02-07 1986-02-07 A bias current circuit,and cascade and ring circuits incorporating same

Publications (3)

Publication Number Publication Date
GB8603111D0 GB8603111D0 (en) 1986-03-12
GB2186452A GB2186452A (en) 1987-08-12
GB2186452B true GB2186452B (en) 1989-12-06

Family

ID=10592716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8603111A Expired GB2186452B (en) 1986-02-07 1986-02-07 A bias current circuit,and cascade and ring circuits incorporating same

Country Status (2)

Country Link
US (1) US4833344A (en)
GB (1) GB2186452B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002392A (en) * 1990-11-02 1992-06-01 Philips Nv BANDGAP REFERENCE SWITCH.
JPH0535350A (en) * 1991-07-26 1993-02-12 Nec Yamagata Ltd Constant current source
JP3322685B2 (en) * 1992-03-02 2002-09-09 日本テキサス・インスツルメンツ株式会社 Constant voltage circuit and constant current circuit
US5291123A (en) * 1992-09-09 1994-03-01 Hewlett-Packard Company Precision reference current generator
US6636405B2 (en) 1993-09-30 2003-10-21 Michael Z. Lowenstein Mitigation of 3rd harmonic currents in electrical power distribution systems
US7092229B1 (en) 1993-09-30 2006-08-15 Harmonics Limited, Inc. Electrical filter/protector, and methods of constructing and utilizing same
JP3657079B2 (en) * 1997-03-19 2005-06-08 富士通株式会社 Integrated circuit device having enhancement type transistor circuit bias circuit
US5886570A (en) * 1997-10-22 1999-03-23 Analog Devices Inc Inverter circuit biased to limit the maximum drive current to a following stage and method
US6525598B1 (en) 1999-01-29 2003-02-25 Cirrus Logic, Incorporated Bias start up circuit and method
US7026860B1 (en) * 2003-05-08 2006-04-11 O2Micro International Limited Compensated self-biasing current generator
US7436242B1 (en) * 2005-01-13 2008-10-14 National Semiconductor Corporation System and method for providing an input voltage invariant current source
US9921596B2 (en) * 2013-12-23 2018-03-20 Marvell Israel (M.I.S.L) Ltd Power supply noise reduction circuit and power supply noise reduction method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660694A (en) * 1970-09-25 1972-05-02 Gordon Eng Co Current source
US3659121A (en) * 1970-11-16 1972-04-25 Motorola Inc Constant current source
JPS4854460A (en) * 1971-11-11 1973-07-31
US4059793A (en) * 1976-08-16 1977-11-22 Rca Corporation Semiconductor circuits for generating reference potentials with predictable temperature coefficients
GB2007055B (en) * 1977-10-21 1982-08-18 Plessey Co Ltd Circuit arrangement

Also Published As

Publication number Publication date
GB8603111D0 (en) 1986-03-12
GB2186452A (en) 1987-08-12
US4833344A (en) 1989-05-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040207